Finding the Fourth Proportional to 486,542.70, 729,883.80 and 149,611.65
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Solution
The fourth proportional to 486,542.70, 729,883.80 and 149,611.65 is: 224,438.92
Step by Step Solution
- Step 1: Write the proportion equation
486,542.70 : 729,883.80 = 149,611.65 : x - Step 2: Convert to fraction form
486,542.70/729,883.80 = 149,611.65/x - Step 3: Cross multiply
486,542.70x = 729,883.80 × 149,611.65 - Step 4: Simplify right side
486,542.70x = 109,199,119,626.27 - Step 5: Solve for x
x = 109,199,119,626.27/486,542.70 - Step 6: Final answer
x = 224,438.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.